At its core, "how often" is an interrogative phrase used to inquire about the frequency or regularity of an action or event. It allows speakers to specify a number of actions or events within a specific time frame, providing valuable insights into habits, routines, and patterns.

On average, you can gross about $80,000 a year in revenue by running a successful lawn care business. But spending your summer weekends trimming grass is one thing—turning it into a profitable business is another thing altogether. Unlike other small businesses, lawn care is a seasonal affair.